MR91AE5: Hydroboracite with Gypsum and Anhydrite - Kohnstein Quarry, Thuringia/Thüringen Germany
Hydroboracite with Gypsum and Anhydrite

Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Harz, Thuringia/Thüringen  Germany (2009)

Specimen size: 11.5 × 9.7 × 6.9 cm = 4.5” × 3.8” × 2.7”
Main crystal size: 1.5 × 0.3 cm = 0.6” × 0.1”

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